The world I'm building contains two sapient species; one is about Mesolithic-level in terms of technology, while the other is about as advanced as the ancient Egyptians or Sumerians. However, they're ...

So, bit of an unusual question, but here goes...
As I've read on other questions on the site, a creature gaining sapience would not automatically translate to a society equal to ours, and I believe ...

African Grey Parrots are touted as the smartest genus of birds around, and have been shown to possess cognitive skills comparable to those of 4- to 6-year-old human children, in spite of only weighing ...

We have a species, let's call them Aves Sapiens for now, which a winged creature that reaches an average height of 143 centimeters and can fly up to 300 km/h. (Assuming that the planet's gravity can ...

Humans are derived from arboreal shrew-like animals that survived the cataclysm which wiped out the larger dinosaurs. As far as I am aware this series of events is entirely the result of chance. Would ...

How small can a humanoid creature get and still retain human-level intelligence? Specifically, what would be the smallest brain possible capable of advanced reasoning and what brain-body mass ratio ...

With all this talk of Alien Lifeforms over the past few weeks, I have been pondering a small question. May be a simple yes, no answer. May not.
Can a species accidently uplift another species? I say ...

So, imagine we are not the predominant species on earth (in terms of intelligence and how we manipulate our surroundings to fit our needs).
Let's imagine snakes were the most intelligent and advanced ...

In recent years, the definition of sapience has been changing, from the self awareness of dolphins, to the sign language gorilla koko, to the amazing intelligence of crows; it is becoming increasingly ...

For a recent question of mine, an answer was provided suggesting that since there is a limited amount of sapient species in the galaxy, we ourselves would be valuable. This got my gears turning and ...

Scenario: In my Evil Overlord plan, I release a poison into the wild which should kill all humans. However I made some sort of mistake in my poison design and I killed all Vertebrates bigger than 0.5 ...

In all animals of higher intelligence, the sensory organs are all localized in the head. The head alone contains the senses of smell, sight, hearing and taste. This is because it is efficient to be ...

The idea of a collective consciousness is pretty simple: instead of cells you have small animals (such as ants or termites) that make up a larger creature. This is different from a hive in that the ...

In how smart can I make ants, an idea was suggested, to instead of making each ant individually sapient, make the 'anthill' as a whole sapient; a kind of unconventional hive mind. Just as a familiar ...

In the accepted answer to this question on ant size, it was suggested to give ants branchiostegal lungs, which taxonomically makes the ant a crustacean, rather than an insect. His suggestion was for ...

Humans sleep more then nearly any other creature (true sleep, not low-activity like cats and sloths), and are some of the only true sapient species on earth. Many other intelligent, or nearly sapient,...

One of the main problems with creatures that they have tentacles instead of manipulating paws or hands. This isn't a big problem for developing sapience, but it is a problem for entering the realm of ...

In a question I saw on here a while back, somebody said that the development of a sapient, technologically progressing species requires fire, and thus such a phenomenon could not occur under water.
...